Saw-tooth gage



B. HAGADNE.

SAW TOOTH GAGE.

APPLlcmon msu ^uG.\.19le. nsuswzo ri. 24.1919.

1 ,$317,873. Patented Oct. 7, 1919.

Ray Hagadozw wmwb amm

'nin ccmUlllIlA PLANoonMI" co'. WASHINGTON. n. c.

RAY HAGADONE, OF COEUR DALENE, IDAHO.

SAW-TOOTH GAGE.

Specification of Letters Patent.

Patented Oct. '7, 1919.

Application filed August 16, 1916, Serial No. 115,303. Renewed February24, 1919. Serial No. 278,936.

To all 'whom z' may concern.'

Be it known that I, RAY HAUADONE, a citizen of the United States,residing at Coeur dAlene, in the county of Kootenai and State of Idaho,have invented new and useful Improvements in Saw-Tooth Gages, of whichthe following is a specification.

This invention relates to improvements in saw gages, primarily adaptedfor use in the straightening or shaping of the teeth of band saws andgang saws.

An object of the invention contemplates the provision of a gageembodying a movable gage member through which the saw teeth pass, andadapted for vertical adjustment to suit the character of the teeth, inorder that the different types of the teeth may be accurately andreadily determined without the necessity of the operator using his eyesfor such purpose.

A further object of the invention resides in providing the gage memberof a tapering formation and with a slot, and adapted to be either raisedor lowered for accommodating saws of diiferent thickness, further thedifferent degrees of swaging or spreading at the cutting point of tooth.

Another object of the invention resides in providing a` frame having aseries of inbcnt contact points adapted for engagement with one of theside faces of the saw during the gaging act of the teeth, thus retainingthe proper position of the saw at all times.

With the above and other objects in view, the invention consists in thenovel features` details of construction and combination of parts whichwill hereinafter be more fully set forth, illustrated in theaccompanying drawing and pointed out in the appended claim.

Figure 1 is a rear elevation of the gage;

Fig. 2 is a front elevation;

Fig. 3 is a top plan view with the gage member removed; and

Fig. 4 is a perspective view of the gage member.

Referring more particularly to the accompanying drawing, in which likecharacters of reference refer to corresponding parts in the severalviews, 5 denotes my improved band saw tooth gage generally, comprising aframe 6, which is shown as embodying a iiat plate constructed preferablyof metal or the like material. Depending from the lower edge of theplate is a substantially rectangular foot 7, to which is secured on theouter face thereof, by means of fasteners 8, a hand grip 9. The bodyportion 10 of the frame is extended in opposite lateral directions toprovide at the upper end of the frame a pair of horizontally alined arms1l and 12 respectively. The horizontal portion 13 of each of said armsserves as a cap, whereby upon the sliding of the gage along the sides ofthe saw, the caps or horizontal portion 13 of the arms will overlie theteeth of thc saw and serve to an extent as a guide for the gage upon theactive use of the same. The upper edge of the body portion, at a pointbetween the spaced arms 11 and 12, is cut out as at 14, and serves to anextent as a sight opening, that is to say, when the gage is in appliedposition, the cut out portion 1st will permit of the user observing theteeth of the saw, thus preventing any undue mutilation of the teeth,should the swaging or setting of the teeth be improperly performed. At apoint in adjacent relation to the sight opening 14, I provide anelongated vertically disposed slot 15 opening out through the upper edgeof the body portion 10 at a point between the arms 11 and 12. Thepurpose of this slot will be more fully set forth as the description ofthe invention is proceeded with. Connected exteriorly of the bodyportion in juxtaposition to the sight opening 14 and flush with one ofthe side walls forming the slot 15, by means of a slot 18, is a movablegage member 17. The screw 16 which connects the movable gage member withthe frame, protrudes through the elongated slot 18 formed in the frontplate 19 of the movable gage member 17. One of the longitudinal edges ofthe plate 19 is provided with an extension 20. This extension is bent atright angles with respect to the plate 19, permitting the extension toslid-ably operate in the slot 15 upon the adjustment of the screw 16.The extension 20 is provided with a slot 21 opening out through thebottom edge 22 of the extension and through which the teeth of the sawpass during the gaging operation thereof. It will be clearly understoodby those skilled in the art to which the invention relates that shouldthe correct shaping or wedging of the teeth be improperly performed. theuser of the device can readily and easily ascertain such fact due to theformation of the closed end of the slot 21. At this point, it may bestated that the specific construction of slot 21 permits of obtaining acoarser or finer gage of the saw teeth upon the vertical adjustment ofthe gage member 17 with respect to the arms 13. The frame 6 is providedwith a series ot' inturned projectionsl 23, adapted in the use of thegage, to contact With the sides of the saw, while the surface of theteeth passes through the gage slot 21, thereby gaging the saw in apositive and uniform position during the entire process of gag ing.

The type of saw gage illustrated in the accompanying drawing isprimarily adapted 'for use on band and gang saws for the purpose oflocating the teeth that are out ot alinement.

From the foregoing description, taken in connection with theaccompanying drawing, the advantages of construction and of the methodof operation will be readily apparent to those skilled in the art towhich the invention relates, and While I have described the principlesof operation of the invention, together with the device Which I nowconsider to be the best embodiment thereof, l desire to have itunderstood that the device shown is merely illustrative, and that suchchanges may be made when desired as are within the scope of the appendedclaim.

l claim:

In a gage, the combination with a frame .haring along its upper edge aair of spaced arms and a slot opening out through the upper edge thereofat a point between said arms, of a gage member therefor, meansconnecting the gage member to theframe for vertical adjustment, saidgage member being provided with an extension arranged at right angleswith respect to the trame and provided with a slot diverging in adirection tovvard the lower end of the eX tension, a. portion of theextension fitting in the slot of the frame.

ln testimony Whereotl I affix my signature.

RAY HAGADONE.

Copies of this patent may be obtained for five cents each, by addressingthe "Commissioner of Patents, Washington, D. 0."

